# -*- coding: utf-8 -*-
# Copyright 2025 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
import json
import logging as std_logging
import pickle
from typing import Callable, Dict, Optional, Sequence, Tuple, Union
import warnings

from google.api_core import gapic_v1, grpc_helpers
import google.auth  # type: ignore
from google.auth import credentials as ga_credentials  # type: ignore
from google.auth.transport.grpc import SslCredentials  # type: ignore
from google.cloud.location import locations_pb2  # type: ignore
from google.longrunning import operations_pb2  # type: ignore
from google.protobuf.json_format import MessageToJson
import google.protobuf.message
import grpc  # type: ignore
import proto  # type: ignore

from google.cloud.dialogflow_v2beta1.types import conversation as gcd_conversation
from google.cloud.dialogflow_v2beta1.types import conversation
from google.cloud.dialogflow_v2beta1.types import participant

from .base import DEFAULT_CLIENT_INFO, ConversationsTransport

try:
    from google.api_core import client_logging  # type: ignore

    CLIENT_LOGGING_SUPPORTED = True  # pragma: NO COVER
except ImportError:  # pragma: NO COVER
    CLIENT_LOGGING_SUPPORTED = False

_LOGGER = std_logging.getLogger(__name__)


class _LoggingClientInterceptor(grpc.UnaryUnaryClientInterceptor):  # pragma: NO COVER
    def intercept_unary_unary(self, continuation, client_call_details, request):
        logging_enabled = CLIENT_LOGGING_SUPPORTED and _LOGGER.isEnabledFor(
            std_logging.DEBUG
        )
        if logging_enabled:  # pragma: NO COVER
            request_metadata = client_call_details.metadata
            if isinstance(request, proto.Message):
                request_payload = type(request).to_json(request)
            elif isinstance(request, google.protobuf.message.Message):
                request_payload = MessageToJson(request)
            else:
                request_payload = f"{type(request).__name__}: {pickle.dumps(request)}"

            request_metadata = {
                key: value.decode("utf-8") if isinstance(value, bytes) else value
                for key, value in request_metadata
            }
            grpc_request = {
                "payload": request_payload,
                "requestMethod": "grpc",
                "metadata": dict(request_metadata),
            }
            _LOGGER.debug(
                f"Sending request for {client_call_details.method}",
                extra={
                    "serviceName": "google.cloud.dialogflow.v2beta1.Conversations",
                    "rpcName": str(client_call_details.method),
                    "request": grpc_request,
                    "metadata": grpc_request["metadata"],
                },
            )
        response = continuation(client_call_details, request)
        if logging_enabled:  # pragma: NO COVER
            response_metadata = response.trailing_metadata()
            # Convert gRPC metadata `<class 'grpc.aio._metadata.Metadata'>` to list of tuples
            metadata = (
                dict([(k, str(v)) for k, v in response_metadata])
                if response_metadata
                else None
            )
            result = response.result()
            if isinstance(result, proto.Message):
                response_payload = type(result).to_json(result)
            elif isinstance(result, google.protobuf.message.Message):
                response_payload = MessageToJson(result)
            else:
                response_payload = f"{type(result).__name__}: {pickle.dumps(result)}"
            grpc_response = {
                "payload": response_payload,
                "metadata": metadata,
                "status": "OK",
            }
            _LOGGER.debug(
                f"Received response for {client_call_details.method}.",
                extra={
                    "serviceName": "google.cloud.dialogflow.v2beta1.Conversations",
                    "rpcName": client_call_details.method,
                    "response": grpc_response,
                    "metadata": grpc_response["metadata"],
                },
            )
        return response


class ConversationsGrpcTransport(ConversationsTransport):
    """gRPC backend transport for Conversations.

    Service for managing
    [Conversations][google.cloud.dialogflow.v2beta1.Conversation].

    This class defines the same methods as the primary client, so the
    primary client can load the underlying transport implementation
    and call it.

    It sends protocol buffers over the wire using gRPC (which is built on
    top of HTTP/2); the ``grpcio`` package must be installed.
    """

    _stubs: Dict[str, Callable]

    def __init__(
        self,
        *,
        host: str = "dialogflow.googleapis.com",
        credentials: Optional[ga_credentials.Credentials] = None,
        credentials_file: Optional[str] = None,
        scopes: Optional[Sequence[str]] = None,
        channel: Optional[Union[grpc.Channel, Callable[..., grpc.Channel]]] = None,
        api_mtls_endpoint: Optional[str] = None,
        client_cert_source: Optional[Callable[[], Tuple[bytes, bytes]]] = None,
        ssl_channel_credentials: Optional[grpc.ChannelCredentials] = None,
        client_cert_source_for_mtls: Optional[Callable[[], Tuple[bytes, bytes]]] = None,
        quota_project_id: Optional[str] = None,
        client_info: gapic_v1.client_info.ClientInfo = DEFAULT_CLIENT_INFO,
        always_use_jwt_access: Optional[bool] = False,
        api_audience: Optional[str] = None,
    ) -> None:
        """Instantiate the transport.

        Args:
            host (Optional[str]):
                 The hostname to connect to (default: 'dialogflow.googleapis.com').
            credentials (Optional[google.auth.credentials.Credentials]): The
                authorization credentials to attach to requests. These
                credentials identify the application to the service; if none
                are specified, the client will attempt to ascertain the
                credentials from the environment.
                This argument is ignored if a ``channel`` instance is provided.
            credentials_file (Optional[str]): Deprecated. A file with credentials that can
                be loaded with :func:`google.auth.load_credentials_from_file`.
                This argument is ignored if a ``channel`` instance is provided.
                This argument will be removed in the next major version of this library.
            scopes (Optional(Sequence[str])): A list of scopes. This argument is
                ignored if a ``channel`` instance is provided.
            channel (Optional[Union[grpc.Channel, Callable[..., grpc.Channel]]]):
                A ``Channel`` instance through which to make calls, or a Callable
                that constructs and returns one. If set to None, ``self.create_channel``
                is used to create the channel. If a Callable is given, it will be called
                with the same arguments as used in ``self.create_channel``.
            api_mtls_endpoint (Optional[str]): Deprecated. The mutual TLS endpoint.
                If provided, it overrides the ``host`` argument and tries to create
                a mutual TLS channel with client SSL credentials from
                ``client_cert_source`` or application default SSL credentials.
            client_cert_source (Optional[Callable[[], Tuple[bytes, bytes]]]):
                Deprecated. A callback to provide client SSL certificate bytes and
                private key bytes, both in PEM format. It is ignored if
                ``api_mtls_endpoint`` is None.
            ssl_channel_credentials (grpc.ChannelCredentials): SSL credentials
                for the grpc channel. It is ignored if a ``channel`` instance is provided.
            client_cert_source_for_mtls (Optional[Callable[[], Tuple[bytes, bytes]]]):
                A callback to provide client certificate bytes and private key bytes,
                both in PEM format. It is used to configure a mutual TLS channel. It is
                ignored if a ``channel`` instance or ``ssl_channel_credentials`` is provided.
            quota_project_id (Optional[str]): An optional project to use for billing
                and quota.
            client_info (google.api_core.gapic_v1.client_info.ClientInfo):
                The client info used to send a user-agent string along with
                API requests. If ``None``, then default info will be used.
                Generally, you only need to set this if you're developing
                your own client library.
            always_use_jwt_access (Optional[bool]): Whether self signed JWT should
                be used for service account credentials.

        Raises:
          google.auth.exceptions.MutualTLSChannelError: If mutual TLS transport
              creation failed for any reason.
          google.api_core.exceptions.DuplicateCredentialArgs: If both ``credentials``
              and ``credentials_file`` are passed.
        """
        self._grpc_channel = None
        self._ssl_channel_credentials = ssl_channel_credentials
        self._stubs: Dict[str, Callable] = {}

        if api_mtls_endpoint:
            warnings.warn("api_mtls_endpoint is deprecated", DeprecationWarning)
        if client_cert_source:
            warnings.warn("client_cert_source is deprecated", DeprecationWarning)

        if isinstance(channel, grpc.Channel):
            # Ignore credentials if a channel was passed.
            credentials = None
            self._ignore_credentials = True
            # If a channel was explicitly provided, set it.
            self._grpc_channel = channel
            self._ssl_channel_credentials = None

        else:
            if api_mtls_endpoint:
                host = api_mtls_endpoint

                # Create SSL credentials with client_cert_source or application
                # default SSL credentials.
                if client_cert_source:
                    cert, key = client_cert_source()
                    self._ssl_channel_credentials = grpc.ssl_channel_credentials(
                        certificate_chain=cert, private_key=key
                    )
                else:
                    self._ssl_channel_credentials = SslCredentials().ssl_credentials

            else:
                if client_cert_source_for_mtls and not ssl_channel_credentials:
                    cert, key = client_cert_source_for_mtls()
                    self._ssl_channel_credentials = grpc.ssl_channel_credentials(
                        certificate_chain=cert, private_key=key
                    )

        # The base transport sets the host, credentials and scopes
        super().__init__(
            host=host,
            credentials=credentials,
            credentials_file=credentials_file,
            scopes=scopes,
            quota_project_id=quota_project_id,
            client_info=client_info,
            always_use_jwt_access=always_use_jwt_access,
            api_audience=api_audience,
        )

        if not self._grpc_channel:
            # initialize with the provided callable or the default channel
            channel_init = channel or type(self).create_channel
            self._grpc_channel = channel_init(
                self._host,
                # use the credentials which are saved
                credentials=self._credentials,
                # Set ``credentials_file`` to ``None`` here as
                # the credentials that we saved earlier should be used.
                credentials_file=None,
                scopes=self._scopes,
                ssl_credentials=self._ssl_channel_credentials,
                quota_project_id=quota_project_id,
                options=[
                    ("grpc.max_send_message_length", -1),
                    ("grpc.max_receive_message_length", -1),
                ],
            )

        self._interceptor = _LoggingClientInterceptor()
        self._logged_channel = grpc.intercept_channel(
            self._grpc_channel, self._interceptor
        )

        # Wrap messages. This must be done after self._logged_channel exists
        self._prep_wrapped_messages(client_info)

    @classmethod
    def create_channel(
        cls,
        host: str = "dialogflow.googleapis.com",
        credentials: Optional[ga_credentials.Credentials] = None,
        credentials_file: Optional[str] = None,
        scopes: Optional[Sequence[str]] = None,
        quota_project_id: Optional[str] = None,
        **kwargs,
    ) -> grpc.Channel:
        """Create and return a gRPC channel object.
        Args:
            host (Optional[str]): The host for the channel to use.
            credentials (Optional[~.Credentials]): The
                authorization credentials to attach to requests. These
                credentials identify this application to the service. If
                none are specified, the client will attempt to ascertain
                the credentials from the environment.
            credentials_file (Optional[str]): Deprecated. A file with credentials that can
                be loaded with :func:`google.auth.load_credentials_from_file`.
                This argument is mutually exclusive with credentials.  This argument will be
                removed in the next major version of this library.
            scopes (Optional[Sequence[str]]): A optional list of scopes needed for this
                service. These are only used when credentials are not specified and
                are passed to :func:`google.auth.default`.
            quota_project_id (Optional[str]): An optional project to use for billing
                and quota.
            kwargs (Optional[dict]): Keyword arguments, which are passed to the
                channel creation.
        Returns:
            grpc.Channel: A gRPC channel object.

        Raises:
            google.api_core.exceptions.DuplicateCredentialArgs: If both ``credentials``
              and ``credentials_file`` are passed.
        """

        return grpc_helpers.create_channel(
            host,
            credentials=credentials,
            credentials_file=credentials_file,
            quota_project_id=quota_project_id,
            default_scopes=cls.AUTH_SCOPES,
            scopes=scopes,
            default_host=cls.DEFAULT_HOST,
            **kwargs,
        )

    @property
    def grpc_channel(self) -> grpc.Channel:
        """Return the channel designed to connect to this service."""
        return self._grpc_channel

    @property
    def create_conversation(
        self,
    ) -> Callable[
        [gcd_conversation.CreateConversationRequest], gcd_conversation.Conversation
    ]:
        r"""Return a callable for the create conversation method over gRPC.

        Creates a new conversation. Conversations are auto-completed
        after 24 hours.

        Conversation Lifecycle: There are two stages during a
        conversation: Automated Agent Stage and Assist Stage.

        For Automated Agent Stage, there will be a dialogflow agent
        responding to user queries.

        For Assist Stage, there's no dialogflow agent responding to user
        queries. But we will provide suggestions which are generated
        from conversation.

        If
        [Conversation.conversation_profile][google.cloud.dialogflow.v2beta1.Conversation.conversation_profile]
        is configured for a dialogflow agent, conversation will start
        from ``Automated Agent Stage``, otherwise, it will start from
        ``Assist Stage``. And during ``Automated Agent Stage``, once an
        [Intent][google.cloud.dialogflow.v2beta1.Intent] with
        [Intent.live_agent_handoff][google.cloud.dialogflow.v2beta1.Intent.live_agent_handoff]
        is triggered, conversation will transfer to Assist Stage.

        Returns:
            Callable[[~.CreateConversationRequest],
                    ~.Conversation]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "create_conversation" not in self._stubs:
            self._stubs["create_conversation"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/CreateConversation",
                request_serializer=gcd_conversation.CreateConversationRequest.serialize,
                response_deserializer=gcd_conversation.Conversation.deserialize,
            )
        return self._stubs["create_conversation"]

    @property
    def list_conversations(
        self,
    ) -> Callable[
        [conversation.ListConversationsRequest], conversation.ListConversationsResponse
    ]:
        r"""Return a callable for the list conversations method over gRPC.

        Returns the list of all conversations in the
        specified project.

        Returns:
            Callable[[~.ListConversationsRequest],
                    ~.ListConversationsResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "list_conversations" not in self._stubs:
            self._stubs["list_conversations"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/ListConversations",
                request_serializer=conversation.ListConversationsRequest.serialize,
                response_deserializer=conversation.ListConversationsResponse.deserialize,
            )
        return self._stubs["list_conversations"]

    @property
    def get_conversation(
        self,
    ) -> Callable[[conversation.GetConversationRequest], conversation.Conversation]:
        r"""Return a callable for the get conversation method over gRPC.

        Retrieves the specific conversation.

        Returns:
            Callable[[~.GetConversationRequest],
                    ~.Conversation]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "get_conversation" not in self._stubs:
            self._stubs["get_conversation"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/GetConversation",
                request_serializer=conversation.GetConversationRequest.serialize,
                response_deserializer=conversation.Conversation.deserialize,
            )
        return self._stubs["get_conversation"]

    @property
    def complete_conversation(
        self,
    ) -> Callable[
        [conversation.CompleteConversationRequest], conversation.Conversation
    ]:
        r"""Return a callable for the complete conversation method over gRPC.

        Completes the specified conversation. Finished
        conversations are purged from the database after 30
        days.

        Returns:
            Callable[[~.CompleteConversationRequest],
                    ~.Conversation]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "complete_conversation" not in self._stubs:
            self._stubs["complete_conversation"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/CompleteConversation",
                request_serializer=conversation.CompleteConversationRequest.serialize,
                response_deserializer=conversation.Conversation.deserialize,
            )
        return self._stubs["complete_conversation"]

    @property
    def ingest_context_references(
        self,
    ) -> Callable[
        [gcd_conversation.IngestContextReferencesRequest],
        gcd_conversation.IngestContextReferencesResponse,
    ]:
        r"""Return a callable for the ingest context references method over gRPC.

        Data ingestion API.
        Ingests context references for an existing conversation.

        Returns:
            Callable[[~.IngestContextReferencesRequest],
                    ~.IngestContextReferencesResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "ingest_context_references" not in self._stubs:
            self._stubs["ingest_context_references"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/IngestContextReferences",
                request_serializer=gcd_conversation.IngestContextReferencesRequest.serialize,
                response_deserializer=gcd_conversation.IngestContextReferencesResponse.deserialize,
            )
        return self._stubs["ingest_context_references"]

    @property
    def batch_create_messages(
        self,
    ) -> Callable[
        [conversation.BatchCreateMessagesRequest],
        conversation.BatchCreateMessagesResponse,
    ]:
        r"""Return a callable for the batch create messages method over gRPC.

        Batch ingests messages to conversation. Customers can
        use this RPC to ingest historical messages to
        conversation.

        Returns:
            Callable[[~.BatchCreateMessagesRequest],
                    ~.BatchCreateMessagesResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "batch_create_messages" not in self._stubs:
            self._stubs["batch_create_messages"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/BatchCreateMessages",
                request_serializer=conversation.BatchCreateMessagesRequest.serialize,
                response_deserializer=conversation.BatchCreateMessagesResponse.deserialize,
            )
        return self._stubs["batch_create_messages"]

    @property
    def list_messages(
        self,
    ) -> Callable[
        [conversation.ListMessagesRequest], conversation.ListMessagesResponse
    ]:
        r"""Return a callable for the list messages method over gRPC.

        Lists messages that belong to a given conversation. ``messages``
        are ordered by ``create_time`` in descending order. To fetch
        updates without duplication, send request with filter
        ``create_time_epoch_microseconds > [first item's create_time of previous request]``
        and empty page_token.

        Returns:
            Callable[[~.ListMessagesRequest],
                    ~.ListMessagesResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "list_messages" not in self._stubs:
            self._stubs["list_messages"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/ListMessages",
                request_serializer=conversation.ListMessagesRequest.serialize,
                response_deserializer=conversation.ListMessagesResponse.deserialize,
            )
        return self._stubs["list_messages"]

    @property
    def suggest_conversation_summary(
        self,
    ) -> Callable[
        [gcd_conversation.SuggestConversationSummaryRequest],
        gcd_conversation.SuggestConversationSummaryResponse,
    ]:
        r"""Return a callable for the suggest conversation summary method over gRPC.

        Suggest summary for a conversation based on specific
        historical messages. The range of the messages to be
        used for summary can be specified in the request.

        Returns:
            Callable[[~.SuggestConversationSummaryRequest],
                    ~.SuggestConversationSummaryResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "suggest_conversation_summary" not in self._stubs:
            self._stubs[
                "suggest_conversation_summary"
            ] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/SuggestConversationSummary",
                request_serializer=gcd_conversation.SuggestConversationSummaryRequest.serialize,
                response_deserializer=gcd_conversation.SuggestConversationSummaryResponse.deserialize,
            )
        return self._stubs["suggest_conversation_summary"]

    @property
    def generate_stateless_summary(
        self,
    ) -> Callable[
        [conversation.GenerateStatelessSummaryRequest],
        conversation.GenerateStatelessSummaryResponse,
    ]:
        r"""Return a callable for the generate stateless summary method over gRPC.

        Generates and returns a summary for a conversation
        that does not have a resource created for it.

        Returns:
            Callable[[~.GenerateStatelessSummaryRequest],
                    ~.GenerateStatelessSummaryResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "generate_stateless_summary" not in self._stubs:
            self._stubs[
                "generate_stateless_summary"
            ] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/GenerateStatelessSummary",
                request_serializer=conversation.GenerateStatelessSummaryRequest.serialize,
                response_deserializer=conversation.GenerateStatelessSummaryResponse.deserialize,
            )
        return self._stubs["generate_stateless_summary"]

    @property
    def generate_stateless_suggestion(
        self,
    ) -> Callable[
        [conversation.GenerateStatelessSuggestionRequest],
        conversation.GenerateStatelessSuggestionResponse,
    ]:
        r"""Return a callable for the generate stateless suggestion method over gRPC.

        Generates and returns a suggestion for a conversation
        that does not have a resource created for it.

        Returns:
            Callable[[~.GenerateStatelessSuggestionRequest],
                    ~.GenerateStatelessSuggestionResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "generate_stateless_suggestion" not in self._stubs:
            self._stubs[
                "generate_stateless_suggestion"
            ] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/GenerateStatelessSuggestion",
                request_serializer=conversation.GenerateStatelessSuggestionRequest.serialize,
                response_deserializer=conversation.GenerateStatelessSuggestionResponse.deserialize,
            )
        return self._stubs["generate_stateless_suggestion"]

    @property
    def search_knowledge(
        self,
    ) -> Callable[
        [conversation.SearchKnowledgeRequest], conversation.SearchKnowledgeResponse
    ]:
        r"""Return a callable for the search knowledge method over gRPC.

        Get answers for the given query based on knowledge
        documents.

        Returns:
            Callable[[~.SearchKnowledgeRequest],
                    ~.SearchKnowledgeResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "search_knowledge" not in self._stubs:
            self._stubs["search_knowledge"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/SearchKnowledge",
                request_serializer=conversation.SearchKnowledgeRequest.serialize,
                response_deserializer=conversation.SearchKnowledgeResponse.deserialize,
            )
        return self._stubs["search_knowledge"]

    @property
    def generate_suggestions(
        self,
    ) -> Callable[
        [gcd_conversation.GenerateSuggestionsRequest],
        participant.GenerateSuggestionsResponse,
    ]:
        r"""Return a callable for the generate suggestions method over gRPC.

        Generates all the suggestions using generators
        configured in the conversation profile. A generator is
        used only if its trigger event is matched.

        Returns:
            Callable[[~.GenerateSuggestionsRequest],
                    ~.GenerateSuggestionsResponse]:
                A function that, when called, will call the underlying RPC
                on the server.
        """
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "generate_suggestions" not in self._stubs:
            self._stubs["generate_suggestions"] = self._logged_channel.unary_unary(
                "/google.cloud.dialogflow.v2beta1.Conversations/GenerateSuggestions",
                request_serializer=gcd_conversation.GenerateSuggestionsRequest.serialize,
                response_deserializer=participant.GenerateSuggestionsResponse.deserialize,
            )
        return self._stubs["generate_suggestions"]

    def close(self):
        self._logged_channel.close()

    @property
    def cancel_operation(
        self,
    ) -> Callable[[operations_pb2.CancelOperationRequest], None]:
        r"""Return a callable for the cancel_operation method over gRPC."""
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "cancel_operation" not in self._stubs:
            self._stubs["cancel_operation"] = self._logged_channel.unary_unary(
                "/google.longrunning.Operations/CancelOperation",
                request_serializer=operations_pb2.CancelOperationRequest.SerializeToString,
                response_deserializer=None,
            )
        return self._stubs["cancel_operation"]

    @property
    def get_operation(
        self,
    ) -> Callable[[operations_pb2.GetOperationRequest], operations_pb2.Operation]:
        r"""Return a callable for the get_operation method over gRPC."""
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "get_operation" not in self._stubs:
            self._stubs["get_operation"] = self._logged_channel.unary_unary(
                "/google.longrunning.Operations/GetOperation",
                request_serializer=operations_pb2.GetOperationRequest.SerializeToString,
                response_deserializer=operations_pb2.Operation.FromString,
            )
        return self._stubs["get_operation"]

    @property
    def list_operations(
        self,
    ) -> Callable[
        [operations_pb2.ListOperationsRequest], operations_pb2.ListOperationsResponse
    ]:
        r"""Return a callable for the list_operations method over gRPC."""
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "list_operations" not in self._stubs:
            self._stubs["list_operations"] = self._logged_channel.unary_unary(
                "/google.longrunning.Operations/ListOperations",
                request_serializer=operations_pb2.ListOperationsRequest.SerializeToString,
                response_deserializer=operations_pb2.ListOperationsResponse.FromString,
            )
        return self._stubs["list_operations"]

    @property
    def list_locations(
        self,
    ) -> Callable[
        [locations_pb2.ListLocationsRequest], locations_pb2.ListLocationsResponse
    ]:
        r"""Return a callable for the list locations method over gRPC."""
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "list_locations" not in self._stubs:
            self._stubs["list_locations"] = self._logged_channel.unary_unary(
                "/google.cloud.location.Locations/ListLocations",
                request_serializer=locations_pb2.ListLocationsRequest.SerializeToString,
                response_deserializer=locations_pb2.ListLocationsResponse.FromString,
            )
        return self._stubs["list_locations"]

    @property
    def get_location(
        self,
    ) -> Callable[[locations_pb2.GetLocationRequest], locations_pb2.Location]:
        r"""Return a callable for the list locations method over gRPC."""
        # Generate a "stub function" on-the-fly which will actually make
        # the request.
        # gRPC handles serialization and deserialization, so we just need
        # to pass in the functions for each.
        if "get_location" not in self._stubs:
            self._stubs["get_location"] = self._logged_channel.unary_unary(
                "/google.cloud.location.Locations/GetLocation",
                request_serializer=locations_pb2.GetLocationRequest.SerializeToString,
                response_deserializer=locations_pb2.Location.FromString,
            )
        return self._stubs["get_location"]

    @property
    def kind(self) -> str:
        return "grpc"


__all__ = ("ConversationsGrpcTransport",)
